Year	% of GDP
1987	35.551249267151945
1988	35.159027499853806
1989	35.31289771967905
1990	37.21096530983452
1991	38.43194451540065
1992	40.29295182996359
1993	45.80761530572404
1994	42.096792737256244
1995	45.30156616368598
1996	46.650921206370974
1997	48.15784566767896
1998	47.00348042778054
1999	49.123290306408656
2000	49.68539733843891
2001	50.8524076478142
2002	50.50289052420271
2003	50.8996789494797
2004	51.2354676603325
2005	50.79686720739831
2006	50.8277025388308
2007	51.91622297754349
2008	51.65008611147098
2009	53.55289092974934
2010	51.65092323231334
2011	49.94317357772321
2012	50.89135692287831
2013	51.20004463730082
2014	51.31935933432271
2015	51.96729419858921
2016	51.97580485307074
2017	51.92153837380303
2018	52.04349949971005
2019	53.424341354037466
2020	52.95322805948487
2021	51.30690916529197
2022	51.16639724607121
2023	53.63137678623294